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  Indian J Med Microbiol
 

Figure 3: Histological findings of arteriovenous malformation in the cut sections of the brain. (a) A microphotograph shows abnormal vessels with variable calibers and forms (arrow head) traversing through the brain parenchyma (arrow) (H and E, ×40). (b) A microphotograph shows neural tissue in between the abnormally dilated vessels, with gliotic changes (H and E, ×40). (c) The site of arteriovenous anastomosis (arrow head) traversing through the brain parenchyma (arrow) which could not be identified in the tissue section (H and E, ×40). (d) A microphotograph depicts the ruptured arteriovenous malformation with surrounding hemorrhage and thrombosis (arrow head) (H and E, ×40)

Figure 3: Histological findings of arteriovenous malformation in the cut sections of the brain. (a) A microphotograph shows abnormal vessels with variable calibers and forms (arrow head) traversing through the brain parenchyma (arrow) (H and E, ×40). (b) A microphotograph shows neural tissue in between the abnormally dilated vessels, with gliotic changes (H and E, ×40). (c) The site of arteriovenous anastomosis (arrow head) traversing through the brain parenchyma (arrow) which could not be identified in the tissue section (H and E, ×40). (d) A microphotograph depicts the ruptured arteriovenous malformation with surrounding hemorrhage and thrombosis (arrow head) (H and E, ×40)